options.rb in arstotzka-1.2.0

- old
+ new

@@ -22,31 +22,31 @@
     # Creates a new instance of Options
     #
     # @param options [Hash] options hash
     #   Options hash will be merged with {DEFAULT_OPTIONS}
     # @option options [Class] klass class to receive the methods
-    # @option options [String/Symbol] path path of hash attributes to find the root
+    # @option options [String,Symbol] path path of hash attributes to find the root
     #   where the attribute live (then fetching it using the attribute name)
-    # @option options [String/Symbol] full_path: path of hash attributes to find exacttly where the
+    # @option options [String,Symbol] full_path: path of hash attributes to find exacttly where the
     #   value live (ignoring the attribute name)
-    # @option options [String/Symbol] json: name of the method containing the hash to be crawled
+    # @option options [String,Symbol] json: name of the method containing the hash to be crawled
     # @option options [Boolean] cached: flag if the result should be memorized instead of repeating
     #   the crawling
-    # @option options [String/Symbol] case:  {Reader} flag definining on which case will
+    # @option options [String,Symbol] case:  {Reader} flag definining on which case will
     #   the keys be defined
     #   - lower_camel: keys in the hash are lowerCamelCase
     #   - upper_camel: keys in the hash are UpperCamelCase
     #   - snake: keys in the hash are snake_case
     # @option options [Boolean] compact:  {Crawler} flag to apply Array#compact thus
     #   removing nil results
     # @option options [Class] klass:  {Fetcher} option thatwhen passed, wraps the result in an
     #   instance of the given class
-    # @option options [String/Symbol] after:  {Fetcher} option with the name of the method to be
+    # @option options [String,Symbol] after:  {Fetcher} option with the name of the method to be
     #   called once the value is fetched for mapping the value
     # @option options [Boolean] flatten:  {Fetcher} flag to aplly Array#flatten thus
     #   avoing nested arrays
-    # @option options [String/Symbol] type:  {Fetcher} option declaring the type of the returned
+    # @option options [String,Symbol] type:  {Fetcher} option declaring the type of the returned
     #   value (to use casting)
     #   - integer
     #   - string
     #   - float
     #
@@ -65,8 +65,15 @@
     # Creates a new instance mergin the given hash with @options
     #
     # @return Arstotzka::Options
     def merge(options)
       self.class.new(to_h.merge(options))
+    end
+
+    def keys
+      return full_path.split('.') if full_path
+      return [key.to_s] unless path&.present?
+
+      [path, key].compact.join('.').split('.')
     end
   end
 end